Compiler Design

Runtime environments Basics of code optimization Lexical analysis & Parsing Syntax directed translation

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Compiler Design - Runtime environments

Disadvantage of " Compile and GO " loading scheme is that

A.	a portion of memory is wasted because the case occupied by the assembler is unavailable to the object program
B.	it is necessary to retranslate the users program and check everytime it is run
C.	it is very difficult to handle multiple segments, especially if the source programs are in different languages and to produce orderly modular programs
D.	all of these
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

Function of the storage assignment is

A.	assign storage to all variables referenced in the source program
B.	assign storage to all temporary locations that are necessary for intermediate results
C.	assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
D.	all of these
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

A non relocatable program is the one which

A.	cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B.	consists of a program and relevant information for its relocation
C.	can itself perform the relocation of its address sensitive portions
D.	all of these
	Answer Report Discuss
	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

A relocatable program form is one which

A.	cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B.	consists of a program and relevant information for its relocation
C.	can be processed to relocate it to a desired area of memory
D.	all of these
	Answer Report Discuss
	Option: C Explanation : eg object module Click on Discuss to view users comments. jitendra said: (4:43pm on Tuesday 11th June 2013) the above question of that question is same as it and answer different from it? Why this happen? Write your comments here: Updating your Comments.. Updating your Comments..

10:

A self-relocating program is one which

A.	cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B.	consists of a program and relevant information for its relocation
C.	can itself perform the relocation of its address sensitive portions
D.	all of these
	Answer Report Discuss
	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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